<p>
  By a result of <span class="name">
Satoh</span>
(Construction of certain vector valued Siegel modular forms of degree two. Proc. Japan Acad. Ser. A Math. Sci. 61 (1985), 225-227, 
<a href="http://www.ams.org/mathscinet-getitem?mr=MR0816719">MR0816719</a>),
  the ring blah blah blah

</p><p>

  There exists a relation between these generators, namely...
</p>

